For the challenge, I wanted to send data from my computer's real serial port (RS232 9-pin connector). For that, I created an adaptor circuit because the voltages on a computer serial port are ...
This is a simple test script that you can use and adapt to send MAME commands to your arduino on your own cabinet you're encouraged to improve it as you wish but in no way this is something to become ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback